31115: Quasi Repdigit 311..115

First few terms (base 10): \[[31^*5_7]_n=\{26,159,1090,7607,53226,\ldots\}\]

First few terms (base 7): \[\{\text{35},\text{315},\text{3115},\text{31115},\text{311115},\ldots\}\]

General Formula:\[[31^*5_7]_n={133\cdot7^{n}+23\over6}\]

Equivalent Patterns: (none)

Table

No table data.